diff --git a/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd b/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd
index 4b3b73192078cd3d24aaa258544409e190025cf7..95aad8a84a09e0d7b6870788e619255466c49762 100644
--- a/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd
+++ b/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd
@@ -36,33 +36,56 @@ USE filter_lib.fil_pkg.ALL;
 USE wpfb_lib.wpfb_pkg.ALL;
 
 PACKAGE sdp_pkg is
+  -------------------------------------------------
+  -- SDP info record as defined in:
+  --  LOFAR2-9258-SDP info per antenna band 
+  -------------------------------------------------
+  TYPE t_sdp_info IS RECORD
+    station_id              : STD_LOGIC_VECTOR(15 DOWNTO 0);
+    antenna_band_index      : STD_LOGIC;
+    observation_id          : STD_LOGIC_VECTOR(31 DOWNTO 0); 
+    nyquist_zone_index      : STD_LOGIC_VECTOR(1 DOWNTO 0);   
+    f_adc                   : STD_LOGIC;     
+    fsub_type               : STD_LOGIC;  
+    beam_repositioning_flag : STD_LOGIC; 
+    subband_calibrated_flag : STD_LOGIC; 
+    O_si                    : STD_LOGIC_VECTOR(7 DOWNTO 0);    
+    N_si                    : STD_LOGIC_VECTOR(7 DOWNTO 0);    
+    O_rn                    : STD_LOGIC_VECTOR(7 DOWNTO 0);    
+    N_rn                    : STD_LOGIC_VECTOR(7 DOWNTO 0);   
+    block_period            : STD_LOGIC_VECTOR(15 DOWNTO 0);      
+    beamlet_scale           : STD_LOGIC_VECTOR(15 DOWNTO 0);   
+  END RECORD;    
+
   -------------------------------------------------
   -- SDP specific parameters as defined in:
   --  L3 SDP Decision: SDP Parameter definitions 
   -------------------------------------------------
-  CONSTANT c_sdp_N_pol      : NATURAL := 2;
-  CONSTANT c_sdp_N_sub      : NATURAL := 512;
-  CONSTANT c_sdp_N_fft      : NATURAL := 1024;
-  CONSTANT c_sdp_S_pn       : NATURAL := 12;    
-  CONSTANT c_sdp_Q_fft      : NATURAL := 2;         
-  CONSTANT c_sdp_N_taps     : NATURAL := 16;  
-  CONSTANT c_sdp_W_adc      : NATURAL := 14;  
-  CONSTANT c_sdp_W_fir_coef : NATURAL := 16;  
-  CONSTANT c_sdp_W_subband  : NATURAL := 18; 
-  CONSTANT c_sdp_P_pfb      : NATURAL := c_sdp_S_pn/c_sdp_Q_fft;  
-  CONSTANT c_sdp_S_sub_bf   : NATURAL := 488;
-  CONSTANT c_sdp_f_adc_MHz  : NATURAL := 200;
-  CONSTANT c_sdp_T_adc      : TIME    := (10**6/c_sdp_f_adc_MHz) * 1 ps;
-  CONSTANT c_sdp_T_sub      : TIME    := c_sdp_N_fft * c_sdp_T_adc;
-  CONSTANT c_sdp_W_sub_weight : NATURAL := 16;
+  CONSTANT c_sdp_N_pol           : NATURAL := 2;
+  CONSTANT c_sdp_N_sub           : NATURAL := 512;
+  CONSTANT c_sdp_N_fft           : NATURAL := 1024;
+  CONSTANT c_sdp_S_pn            : NATURAL := 12;    
+  CONSTANT c_sdp_Q_fft           : NATURAL := 2;         
+  CONSTANT c_sdp_N_taps          : NATURAL := 16;  
+  CONSTANT c_sdp_W_adc           : NATURAL := 14;  
+  CONSTANT c_sdp_W_fir_coef      : NATURAL := 16;  
+  CONSTANT c_sdp_W_subband       : NATURAL := 18; 
+  CONSTANT c_sdp_P_pfb           : NATURAL := c_sdp_S_pn/c_sdp_Q_fft;  
+  CONSTANT c_sdp_S_sub_bf        : NATURAL := 488;
+  CONSTANT c_sdp_f_adc_MHz       : NATURAL := 200;
+  CONSTANT c_sdp_T_adc           : TIME    := (10**6/c_sdp_f_adc_MHz) * 1 ps;
+  CONSTANT c_sdp_T_sub           : TIME    := c_sdp_N_fft * c_sdp_T_adc;
+  CONSTANT c_sdp_W_sub_weight    : NATURAL := 16;
   CONSTANT c_sdp_W_sub_magnitude : NATURAL := 2;
-  CONSTANT c_sdp_W_sub_fraction : NATURAL := c_sdp_W_sub_weight - c_sdp_W_sub_magnitude -1;
-  CONSTANT c_sdp_W_bf_weight : NATURAL := 16;
-  CONSTANT c_sdp_W_bf_magnitude : NATURAL := 1;
-  CONSTANT c_sdp_W_bf_fraction : NATURAL := c_sdp_W_bf_weight - c_sdp_W_bf_magnitude -1;
-  CONSTANT c_sdp_W_bf_product : NATURAL := c_sdp_W_subband + c_sdp_W_bf_weight -1; 
-  CONSTANT c_sdp_W_beamlet_sum : NATURAL := 18; 
+  CONSTANT c_sdp_W_sub_fraction  : NATURAL := c_sdp_W_sub_weight - c_sdp_W_sub_magnitude -1;
+  CONSTANT c_sdp_W_bf_weight     : NATURAL := 16;
+  CONSTANT c_sdp_W_bf_magnitude  : NATURAL := 1;
+  CONSTANT c_sdp_W_bf_fraction   : NATURAL := c_sdp_W_bf_weight - c_sdp_W_bf_magnitude -1;
+  CONSTANT c_sdp_W_bf_product    : NATURAL := c_sdp_W_subband + c_sdp_W_bf_weight -1; 
+  CONSTANT c_sdp_W_beamlet_sum   : NATURAL := 18; 
+  CONSTANT c_sdp_W_beamlet       : NATURAL := 8; 
 
+  -- AIT constants
   CONSTANT c_sdp_ait_buf_nof_data_jesd : NATURAL := 1024; -- 1024 14 bit samples fit in one M20k BRAM 
   CONSTANT c_sdp_ait_buf_nof_data_bsn  : NATURAL := 1024; -- 1024 14 bit samples fit in one M20k BRAM